@@ -2,7 +2,7 @@

 # Title:

 # Version: 

 # Author: Frédéric CHEVALIER <fcheval@txbiomedgenetics.org>

-# Created in: 2014-0

+# Created in: 2014-1

 # Modified in:

 # Licence : GPL v3

@@ -20,15 +20,7 @@

 # Versions #

 #==========#

-# v0.0: creation

-

-

-

-#==============#

-# Dependencies #

-#==============#

-

-# 

+# v0.0 - 2014-1: creation

@@ -36,6 +28,16 @@

 # Functions #

 #===========#

+# Dependency test

+function test_dep {

+    which $1 &> /dev/null

+    if [[ $? != 0 ]]

+    then

+        error "Package $1 is needed. Exiting..." 1

+    fi

+}

+

+

 # Usage message

 function usage {

     echo -e "

@@ -51,20 +53,48 @@ Options:

 }

-

-# Error message

-function error {

-    echo -e "\e[31mError:\e[00m $1"

-    exit $2

+# Info message

+function info {

+    if [[ -t 1 ]]

+    then

+        echo -e "\e[32mInfo:\e[00m $1"

+    else

+        echo -e "Info: $1"

+    fi

 }

 # Warning message

 function warning {

-    echo -e "\e[33mWarning:\e[00m $1"

+    if [[ -t 1 ]]

+    then

+        echo -e "\e[33mWarning:\e[00m $1"

+    else

+        echo -e "Warning: $1"

+    fi

 }

+# Error message

+function error {

+    if [[ -t 1 ]]

+    then

+        echo -e "\e[31mError:\e[00m $1"

+        exit $2

+    else

+        echo -e "Error: $1"

+        exit $2

+    fi

+}

+

+

+

+#==============#

+# Dependencies #

+#==============#

+

+# 

+

 #==========================#

@@ -85,9 +115,7 @@ do

         -v|--val    ) v="$2" ; shift 2 ;;

         -s|--switch ) switch=1 ; shift ;;

         -h|--help   ) usage ; exit 0 ;;

-        *           ) echo "Invalid option: $1"

-                       usage

-                       exit 1 ;;

+        *           ) error "Invalid option: $1\n$(usage)" 1 ;;

     esac

 done

@@ -95,7 +123,7 @@ done

 # Check the existence of obligatory options

 if [[ -z "$input" ]]

 then

-    error "The option input is required. Exiting..." 1

+    error "The option input is required. Exiting...\n$(usage)" 1

 fi

 if [[ -z "$output" ]]